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发明名称
Brush holder
摘要
申请公布号
US1863991(A)
申请公布日期
1932.06.21
申请号
US19290386684
申请日期
1929.08.17
申请人
THE FLOOROLA CORPORATION
发明人
NEWCOMER ERNEST J.
分类号
B25G3/00
主分类号
B25G3/00
代理机构
代理人
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地址
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